new-with-non-constructor.js

Enable keyboard shortcuts

/*

 * Any copyright is dedicated to the Public Domain.

 * http://creativecommons.org/licenses/publicdomain/

*/

function checkConstruct(thing) {

    try {

        new thing();

        assertEq(0, 1, "not reached " + thing);

    } catch (e) {

        assertEq(e.message.includes(" is not a constructor") ||

                 e.message === "Function.prototype.toString called on incompatible object", true);

var re = /aaa/

checkConstruct(re);

var boundFunctionPrototype = Function.prototype.bind();

checkConstruct(boundFunctionPrototype);

var boundBuiltin = Math.sin.bind();

checkConstruct(boundBuiltin);

var proxiedFunctionPrototype = new Proxy(Function.prototype, {});

checkConstruct(proxiedFunctionPrototype);

var proxiedBuiltin = new Proxy(parseInt, {});

checkConstruct(proxiedBuiltin);

if (typeof reportCompare == 'function')

    reportCompare(0, 0, "ok");